CN207079265U - A kind of nuclear steam generator circumferential weld annealing device - Google Patents
A kind of nuclear steam generator circumferential weld annealing device Download PDFInfo
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- CN207079265U CN207079265U CN201720883343.6U CN201720883343U CN207079265U CN 207079265 U CN207079265 U CN 207079265U CN 201720883343 U CN201720883343 U CN 201720883343U CN 207079265 U CN207079265 U CN 207079265U
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- lower shell
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- steam generator
- detection system
- support plate
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Abstract
The utility model discloses a kind of nuclear steam generator circumferential weld annealing device, including upper shell, cone and lower shell, lower shell includes lower shell housing and is arranged on inside lower shell and the sleeve in gap is left between lower shell housing, sleeve inner is provided with piping component, piping component includes tube bank, the pipe support plate of Fixed Tube-sheet Reboiler and the pull bar for connecting pipe support plate, lower shell shell end is provided with hand hole, cone is provided with inspection hole, pipe support plate is provided with deformation detection system, ajutage is provided with through inspection hole, upper shell is provided with manhole, manhole is connected with the exhausting system including exhaust column and air exhauster, screen pack is equipped with hand hole, by ajutage to deformation detection system transporting cold wind, ensure that deformation detection system maintains low temperature, add the stability and service life of deformation detection system.Whole exhausting system is simple in construction, and cost and noise are all relatively low.
Description
Technical field
Nuclear power engineering technical field is the utility model is related to, more particularly to a kind of nuclear steam generator circumferential weld heat treatment dress
Put.
Background technology
In final assembling, cone needs to carry out local heat treatmet the steam generator of nuclear power projects with upper shell circumferential weld,
During heating treatment, the easy expanded by heating deformation of the internals such as tube sheet, sleeve and pull bar, due to each several part non-uniform temperature, deformation
It is inconsistent, cause pipe support plate to produce torsional deformation, there is the risk for causing piping to damage.
To avoid this risk, prior art discloses some to prevent the impaired device or method of local heat treatmet pipings,
Wherein, heat exchanger tube produces when the prior art that application publication number is CN 104480288A discloses a kind of prevention local heat treatmet
The device and method of indenture, the program have used more Fans, cause cost and noise higher, and lack to crucial sensitive member
The protection of part, service life are relatively low.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of cost is low, noise is small, service life length
A kind of nuclear steam generator circumferential weld annealing device.
Technical scheme used by solve above-mentioned technical problem：A kind of nuclear steam generator circumferential weld annealing device,
Including upper shell, cone and the lower shell being sequentially connected, the lower shell includes lower shell housing and is arranged on lower shell
The sleeve in gap is simultaneously left in inside between lower shell housing, and the inside of the sleeve is provided with piping component, the piping component
Include the pull bar of tube bank, the pipe support plate of Fixed Tube-sheet Reboiler and connection pipe support plate, in the lower shell away from the cone
Shell end is provided with multiple hand holes, and the cone is provided with inspection hole, and the pipe support plate is provided with deformation detection system, worn
Cross the inspection hole and be provided with the ajutage for being used for that cold wind to be provided to deformation detection system, the upper shell is provided with manhole, the people
Hole is connected with the exhausting system including exhaust column and air exhauster, and screen pack is equipped with the hand hole, ensures in the exhausting system
During system work, the air entered from hand hole is filtered.
Further, the both ends of the exhaust column are connected with the first bent sub being connected with manhole and are connected with air exhauster
The second bent sub, the air-flow outflow direction in the manhole is straight up.
Further, the deformation detection system is roll angle inspection instrument.
Beneficial effect：By ajutage to deformation detection system transporting cold wind, it is ensured that deformation detection system maintains all the time
One relatively low temperature, add the stability and service life of deformation detection system.Air is from the hand hole provided with screen pack
Flow into, then flowed out through manhole from air exhauster, whole exhausting system is simple in construction, and cost and noise are all relatively low.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and examples；
Fig. 1 is the partial sectional view of the utility model embodiment steam generator circumferential weld annealing device；
Fig. 2 is the utility model embodiment Fig. 1 partial enlarged drawing；
Fig. 3 is the utility model embodiment Fig. 1 side view；
Fig. 4 is that the utility model embodiment steam generator inner air flows schematic diagram.
Embodiment
Referring to figs. 1 to Fig. 4, a kind of nuclear steam generator circumferential weld annealing device of the utility model, including be sequentially connected
Upper shell 10, cone 30 and lower shell 20, by being welded to connect between upper shell 10 and cone 30.Under lower shell 20 includes
Cylinder housing 21 and it is arranged on the inside of lower shell 20 and the sleeve 22 in gap is left between lower shell housing 21, sleeve 22
Inside is provided with piping component, and piping component includes tube bank 23, the pipe support plate 24 of Fixed Tube-sheet Reboiler 23 and connection pipe support
The pull bar 25 of plate 24, four circumferentially symmetrical hand holes 26, cone are provided with the end of lower shell housing 21 away from cone 30
Body 30 is provided with inspection hole 31, and pipe support plate 24 is provided with deformation detection system 33, is provided with and is used for change through inspection hole 31
Shape detecting system 33 provides the ajutage 32 of cold wind, in circumferential weld heat treatment process, high pressure cold wind by ajutage 32 in a steady stream not
The disconnected surface for being transported to deformation detection system 33, it is ensured that deformation detection system 33 maintains a relatively low temperature all the time,
Add the stability and service life of deformation detection system 33.Upper shell 10 is provided with manhole 11, manhole 11 be connected with including
The exhausting system of exhaust column 12 and air exhauster 13, meanwhile, screen pack is equipped with four hand holes 26, and all have neither part nor lot in air
The through hole of circulation is sealed using hydraulic pressure frock.When air exhauster 13 works, air is from hand hole 26 after strainer filtering
Into in lower shell 20, it ensure that the air entered from hand hole 26 is filtered.Air flows out through manhole 11 from air exhauster 13 again,
Whole exhausting system is simple in construction, and cost and noise are all relatively low.
Preferably, the both ends of exhaust column 12 be connected with the first bent sub 14 for being connected with manhole 11 and with the phase of air exhauster 13
The second bent sub 15 even, the air-flow outflow direction in manhole 11 is straight up.Pass through the first bent sub 14 and the phase of manhole 11
Even and the second bent sub 15 is connected with air exhauster 13, considerably increases the field erected adaptability of supply air system, and effectively
It ensure that the smooth of hot-air flow pass.Due to hot-air rising principle, the hot-air inside steam generator largely converges
The top in poly- space internally, it is in order to which efficiently hot-air is guided to outside steam generator, steam generator is horizontal
Place, manhole 11 is arranged on the top of upper shell 10 and is open straight up, and ensure that will not form heat inside steam generator
Air caches dead band, improves the efficiency of hot-air discharge, while also effectively reduces the temperature difference inside steam generator.
Preferably, deformation detection system 33 is roll angle inspection instrument.
The concrete operations flow of the nuclear steam generator circumferential weld annealing device is as follows：
A. the position of hand hole 26 installation screen pack, the through hole for having neither part nor lot in air circulation are sealed using hydraulic pressure frock；
B. steam generator is horizontal positioned, and ensures the opening of manhole 11 straight up；
C., exhausting system is installed；
D. original deformation detecting system 33 and exhausting system.
Embodiment of the present utility model is explained in detail above in conjunction with accompanying drawing, but the utility model is not limited to
Embodiment is stated, in the technical field those of ordinary skill possessed knowledge, this practicality can also not departed from
Various changes can be made on the premise of new objective.
Claims (3)
1. a kind of nuclear steam generator circumferential weld annealing device, including upper shell, cone and the lower shell being sequentially connected, institute
Stating lower shell includes lower shell housing and is arranged on inside lower shell and the sleeve in gap, institute are left between lower shell housing
The inside for stating sleeve is provided with piping component, and the piping component includes tube bank, the pipe support plate of Fixed Tube-sheet Reboiler and connecting tube
The pull bar of sub- support plate, multiple hand holes are provided with the lower shell shell end away from the cone, the cone, which is provided with, to be checked
Hole, it is characterised in that：The pipe support plate is provided with deformation detection system, is provided with through the inspection hole and is used to give deformation inspection
Examining system provides the ajutage of cold wind, and the upper shell is provided with manhole, and the manhole is connected with including exhaust column and air exhauster
Exhausting system, screen pack being equipped with the hand hole, is ensured when the exhausting system works, the air entered from hand hole obtains
Filtering.
2. nuclear steam generator circumferential weld annealing device according to claim 1, it is characterised in that：The exhaust column
Both ends are connected with the first bent sub being connected with manhole and the second bent sub being connected with air exhauster, the air-flow in the manhole
Direction is flowed out for straight up.
3. nuclear steam generator circumferential weld annealing device according to claim 1, it is characterised in that：The deformation detection
System is roll angle inspection instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720883343.6U CN207079265U (en) | 2017-07-19 | 2017-07-19 | A kind of nuclear steam generator circumferential weld annealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720883343.6U CN207079265U (en) | 2017-07-19 | 2017-07-19 | A kind of nuclear steam generator circumferential weld annealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207079265U true CN207079265U (en) | 2018-03-09 |
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ID=61424188
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720883343.6U Active CN207079265U (en) | 2017-07-19 | 2017-07-19 | A kind of nuclear steam generator circumferential weld annealing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112322886A (en) * | 2020-11-19 | 2021-02-05 | 上海电气核电设备有限公司 | Anti-deformation method suitable for heat treatment of heat exchanger |
| CN115058574A (en) * | 2022-05-11 | 2022-09-16 | 上海电气核电设备有限公司 | Intelligent control system for preventing TUBEDING of nuclear power steam generator |
-
2017
- 2017-07-19 CN CN201720883343.6U patent/CN207079265U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112322886A (en) * | 2020-11-19 | 2021-02-05 | 上海电气核电设备有限公司 | Anti-deformation method suitable for heat treatment of heat exchanger |
| CN112322886B (en) * | 2020-11-19 | 2022-02-15 | 上海电气核电设备有限公司 | Anti-deformation method suitable for heat treatment of heat exchanger |
| CN115058574A (en) * | 2022-05-11 | 2022-09-16 | 上海电气核电设备有限公司 | Intelligent control system for preventing TUBEDING of nuclear power steam generator |
| CN115058574B (en) * | 2022-05-11 | 2024-06-11 | 上海电气核电设备有限公司 | Intelligent control system for preventing U-shaped tube dent of nuclear power steam generator |
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